High strength epoxy plugs holes, seals cracks and makes repairs in wood, aluminum, and steel. Putty-like consistency, will not run or drip. Impervious to solvents. Virtually no shrinkage or expansion. Mfg: Marine-Tex SPECS: 5-to-1 mix ratio. 30-40 minute work time. Hardens in 4-5 hrs. Contains resin, catalyst, mixing cup, mixing stick, instructions. 32 oz. size does not include cup or stick.